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Vacuum Mart Division
Vacuum Mart Division - Over 10,000 different components for your vacuum environment
Materials Division
Materials Division - Stocks a vast assortment of pure materials
Process Equipment Division
Process Equipment Division - The leader in producing vacuum systems
Manufacturing Division
Manufacturing Division - The KJLC Manufacturing Division serves many markets and industries

As a leading global provider of high-quality vacuum products and systems, along with an established tradition of service and attention to detail, the Kurt J. Lesker Company® (KJLC®) has built a reputation for “Enabling Technology for a Better World”.

The common attribute across the entire company is the relentless and tireless pursuit of quality and customer satisfaction, both in the vacuum products and the services we provide worldwide. KJLC takes this responsibility seriously, working at all levels to ensure high quality performance in all our products.

Drawing from our comprehensive list of products and services, KJLC has long believed and behaved in ways that demonstrate industry-standard-setting responsibility and responsiveness to its customers. Every phone call is answered by an actual person. Every product issue gets immediate and complete attention until it is resolved. Experienced employees continually make themselves available to those seeking information and guidance. KJLC sees every customer interaction as an opportunity to deepen valued relationships.

Founded in 1954, KJLC has grown from a regional manufacturer and distributor of vacuum components into today's worldwide marketplace, offering a full range of vacuum parts, products, systems, design technologies, innovative thinking, and responsive customer service. Working with an attentive eye toward quality, environmental stewardship of resources, and customer satisfaction, KJLC serves the research and development market at both the academic and commercial levels, as well as providing vacuum products and services to industry on a global scale. Following our successful expansions into Europe and Asia, KJLC continues to reach out for a greater global presence with the newest location in Hong Kong.

Four Focused Divisions

As a manufacturer and distributor of all things vacuum, being focused is crucial. KJLC has developed the following divisions to better focus on the unique challenges each application provides.


Manufacturing Division

Quality, backed by years of experience - that's what sets our manufacturing division apart. Providing not only standard and custom vacuum chambers to the industry for over three decades, but also ensuring the quality that comes with the KJLC brand is infused throughout the organization. World class manufacturing equals top quality products for all our business segments.

Process Equipment Division

We provide customers with advanced single-chamber and cluster-chamber, computer controlled, and thin-film deposition systems designed and built to meet the high demands of a growing and increasingly adventurous research and production client base. Utilizing our clean room assembly and test facilities in the U.S. and the U.K., KJLC is ready to help meet all your capital equipment needs.

Vacuum Mart Division

Customers have access to the full range of approximately 14,000 basic vacuum components, such as flanges, fittings, pumps, fluids, valves, feedthroughs, and traps. Some would refer to these as the building blocks for every application in the marketplace; to that end we have the largest inventory of in-stock ready to ship products in the industry. Dependable delivery and superior customer service keep the Vacuum Mart division the go-to source for customers all around the world.

Materials Division

Customers can select from an extensive list of pure elements, compounds, alloys, advanced metal oxide ceramic materials, and mixtures for thin film deposition, each stocked for rapid delivery. In addition to our expansive materials offering and technical expertise, this division also provides a vast array of crucibles, boats, filaments and wires available in all shapes and sizes, so you get the exact fit for your process. In-house bonding facilities and precious metal reclaim services highlight one of the most complete and quality driven material lines in the industry.

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